Katanga:
René J. Cornet
Katanga: Le Katanga avant les Belges et l'expedition Bia - Francqui-Cornet - 3rd ed. - Brussels Cuypers 1946
Katanga, Belgian Kongo
Expedition Bia-Franequi
Africa, Central--History--Description & travel
Katanga: Le Katanga avant les Belges et l'expedition Bia - Francqui-Cornet - 3rd ed. - Brussels Cuypers 1946
Katanga, Belgian Kongo
Expedition Bia-Franequi
Africa, Central--History--Description & travel